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Note 12 - Share-Based Compensation (Details) - Share-Based Compensation Expense Related to Stock Options (USD $) In Thousands, unless otherwise specified | 3 Months Ended | 9 Months Ended
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Sep. 28, 2014 | Sep. 29, 2013 | Sep. 28, 2014 | Sep. 29, 2013
Share-Based Compensation Expense Related to Stock Options [Abstract] |  |  |  |
Total cost of share-based payment plans | $ 67 | $ 113 | $ 210 | $ 396

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- Definition The aggregate amount of noncash, equity-based employee remuneration. This may include the value of stock or unit options, amortization of restricted stock or units, and adjustment for officers' compensation. As noncash, this element is an add back when calculating net cash generated by operating activities using the indirect method. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3602-108585 + Details
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